Access to 1H-indazoles, 1H-benzoindazoles and 1H-azaindazoles from (het)aryl azides: a one-pot Staudinger-aza-Wittig reaction leading to N-N bond formation?

Authors :: E. Pasquinet
Franck Suzenet
Matthieu Daniel
T. Alaime
G. Guillaumet
Marie-Aude Hiebel
Source :: Chemical communications (Cambridge, England). 54(60)
Publication Year :: 2018
Abstract: The synthesis of various substituted 1H-indazoles is reported through N–N bond formation from an iminophosphorane derivative. Supported by control experiments, an original Staudinger-aza-Wittig tandem mechanism is proposed for this transformation.

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